let express = require('express');
let router = express.Router();
let common = require('./common');

let list = [];
router.post('/', function(req, res){
  common.readFile(common.msgFile, function(data){

    if(!data){
      res.send({status: '-1'});
    }else {
      data && (list = data);
      if(req.session && req.session.username){
        res.send({status: '0', data});
      } else {
        res.send({status: '-2'});
      }
    }

  })
})

//提交回复
router.post('/reply', function(req, res){
  let {msg, vimg} = req.body;
  if(vimg === req.session.vimg){
    list.push({msg, username: req.session.username, time: new Date().format("yyyy-MM-dd hh:mm:ss")});
    //console.log(list);
    common.writeFile(common.msgFile, list, function(data){
      if(data){
        res.send({status: '0'});
      } else {
        res.send({status: '-1'});
      }
    })
  }else {
    res.send({status: '-2'});
  }
})


//格式化时间戳
Date.prototype.format = function(fmt) {
     var o = {
        "M+" : this.getMonth()+1,                 //月份
        "d+" : this.getDate(),                    //日
        "h+" : this.getHours(),                   //小时
        "m+" : this.getMinutes(),                 //分
        "s+" : this.getSeconds(),                 //秒
        "q+" : Math.floor((this.getMonth()+3)/3), //季度
        "S"  : this.getMilliseconds()             //毫秒
    };
    if(/(y+)/.test(fmt)) {
            fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length));
    }
     for(var k in o) {
        if(new RegExp("("+ k +")").test(fmt)){
             fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));
         }
     }
    return fmt;
}


module.exports = router;
